usage: tiffcomment [-h] [--set comment | --set-file file] [--page N] [--tag code] file [file ...]

Print or replace ImageDescription in first page of TIFF file.

positional arguments:
  file             TIFF file(s) to read or modify

options:
  -h, --help       show this help message and exit
  --set comment    replacement comment string
  --set-file file  path to a file whose raw bytes replace the comment
  --page N         index of page to read or modify (default: 0)
  --tag code       tag code or name to read or modify (default: ImageDescription)

Example: tiffcomment --set "my description" image.tif
When multiple files are given with --set or --set-file, the same comment is written to all of them.